Home / 21,340,925.06-29,453,280.09-12,171,465.86

Finding the Fourth Proportional to 21,340,925.06, 29,453,280.09 and 12,171,465.86

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Solution

The fourth proportional to 21,340,925.06, 29,453,280.09 and 12,171,465.86 is: 16,798,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,925.06 : 29,453,280.09 = 12,171,465.86 : x
  2. Step 2: Convert to fraction form
    21,340,925.06/29,453,280.09 = 12,171,465.86/x
  3. Step 3: Cross multiply
    21,340,925.06x = 29,453,280.09 × 12,171,465.86
  4. Step 4: Simplify right side
    21,340,925.06x = 358,489,593,080,452.69
  5. Step 5: Solve for x
    x = 358,489,593,080,452.69/21,340,925.06
  6. Step 6: Final answer
    x = 16,798,221.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.